linux-kernel - RE: [PATCH V2 0/8] iommu/amd: enable ACPI hardware ID device support

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Date:	Fri, 4 Mar 2016 01:52:31 +0000
From:	"Wan, Vincent" <Vincent.Wan@....com>
To:	Joerg Roedel <joro@...tes.org>
CC:	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"Suthikulpanit, Suravee" <Suravee.Suthikulpanit@....com>,
	Borislav Petkov <bp@...e.de>, "Huang, Ray" <Ray.Huang@....com>,
	"Xue, Ken" <Ken.Xue@....com>, "vw@...mu.org" <vw@...mu.org>,
	"mcuos.com@...il.com" <mcuos.com@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH V2 0/8] iommu/amd: enable ACPI hardware ID device support



Thanks!
Vincent Wan.

> -----Original Message-----
> From: Joerg Roedel [mailto:joro@...tes.org]
> Sent: Friday, February 26, 2016 10:45 PM
> To: Wan, Vincent
> Cc: iommu@...ts.linux-foundation.org; Suthikulpanit, Suravee; Borislav Petkov;
> Huang, Ray; Xue, Ken; vw@...mu.org; mcuos.com@...il.com; linux-
> kernel@...r.kernel.org
> Subject: Re: [PATCH V2 0/8] iommu/amd: enable ACPI hardware ID device
> support
> 
> On Tue, Jan 26, 2016 at 06:14:29PM -0500, Wan Zongshun wrote:
> > Suravee Suthikulpanit (3):
> >   iommu/amd: Modify ivhd_header structure to support type 11h and 40h
> >   iommu/amd: Use the most comprehensive IVHD type that the driver can
> >     support
> >   iommu/amd: Introduces ivrs_acpihid kernel parameter
> >
> > Wan Zongshun (5):
> >   iommu/amd: Add new map for storing IVHD dev entry type HID
> >   iommu/amd: Make call-sites of get_device_id aware of its return value
> >   iommu/amd: Add iommu support for ACPI HID devices
> >   iommu/amd: Manage iommu_group for ACPI HID devices
> >   iommu/amd: Set AMD iommu callbacks for amba bus
> 
> These patches fail to boot on my Carrizo system. Unfortunatly it fails before
> console is initialized and the box has no serial port to grab the early panic.
> 
Joerg,
Can you provide me which branch you are using to test those patches.

We are validating the patches in v4.5.0-rc6, and no issues like your description.

Vincent.

> 
> 
> 	Joerg